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Slow Cooker French Onion Soup - it's time to whip out your crockpot and make one of your favorite soups!
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Slow Cooker French Onion Soup

The best way to make French Onion Soup - pull out that slow cooker and let it do all of the work for you!
Prep Time10 mins
Cook Time7 hrs
Total Time7 hrs 10 mins
Course: Main Course, Soup
Cuisine: American
Keyword: french onion soup
Servings: 4
Calories: 785kcal
Author: Mique Provost


  • 8-10 onions sliced
  • ½ c butter
  • 60 oz beef broth
  • 1 ½ tsp Worcestershire sauce
  • 3 bay leaves
  • 10 slices French bread toasted
  • grated parmesan and/or shredded Mozzarella cheese


  • Sauté onions in butter until crisp and tender.
  • Transfer to slow cooker.
  • Add broth, Worcestershire sauce and bay leaves. Cover.
  • Cook on low for 5-7 hours or until onions are tender.
  • Discard bay leaves.
  • Ladle into bowls.
  • Top each with a slice of bread and cheese.
  • For a more intense beef flavor, add one beef bouillon cube.


Calories: 785kcal | Carbohydrates: 111g | Protein: 26g | Fat: 27g | Saturated Fat: 15g | Cholesterol: 61mg | Sodium: 2636mg | Potassium: 773mg | Fiber: 7g | Sugar: 13g | Vitamin A: 710IU | Vitamin C: 16.9mg | Calcium: 153mg | Iron: 7.1mg